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c906108c SS |
1 | /* This file is part of the program psim. |
2 | ||
3 | Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the Free Software | |
17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
18 | ||
19 | */ | |
20 | ||
21 | ||
22 | #include <stdio.h> | |
23 | #include <stdarg.h> | |
24 | #include <ctype.h> | |
25 | ||
26 | #include "config.h" | |
27 | #include "misc.h" | |
28 | #include "lf.h" | |
29 | ||
30 | #ifdef HAVE_STDLIB_H | |
31 | #include <stdlib.h> | |
32 | #endif | |
33 | ||
34 | #ifdef HAVE_STRING_H | |
35 | #include <string.h> | |
36 | #else | |
37 | #ifdef HAVE_STRINGS_H | |
38 | #include <strings.h> | |
39 | #endif | |
40 | #endif | |
41 | ||
42 | struct _lf { | |
43 | FILE *stream; | |
44 | int line_nr; /* nr complete lines written, curr line is line_nr+1 */ | |
45 | int indent; | |
46 | int line_blank; | |
47 | const char *name; | |
48 | const char *program; | |
49 | lf_file_references references; | |
50 | lf_file_type type; | |
51 | }; | |
52 | ||
53 | ||
54 | lf * | |
55 | lf_open (char *name, | |
56 | char *real_name, | |
57 | lf_file_references references, | |
58 | lf_file_type type, | |
59 | const char *program) | |
60 | { | |
61 | /* create a file object */ | |
62 | lf *new_lf = ZALLOC(lf); | |
63 | ASSERT (new_lf != NULL); | |
64 | new_lf->references = references; | |
65 | new_lf->type = type; | |
66 | new_lf->name = (real_name == NULL ? name : real_name); | |
67 | new_lf->program = program; | |
68 | /* attach to stdout if pipe */ | |
69 | if (!strcmp(name, "-")) { | |
70 | new_lf->stream = stdout; | |
71 | } | |
72 | else { | |
73 | /* create a new file */ | |
74 | new_lf->stream = fopen(name, "w"); | |
75 | if (new_lf->stream == NULL) { | |
76 | perror(name); | |
77 | exit(1); | |
78 | } | |
79 | } | |
80 | return new_lf; | |
81 | } | |
82 | ||
83 | ||
84 | void | |
85 | lf_close(lf *file) | |
86 | { | |
87 | if (file->stream != stdout) { | |
88 | if (fclose(file->stream)) { | |
89 | perror("lf_close.fclose"); | |
90 | exit(1); | |
91 | } | |
92 | free(file); | |
93 | } | |
94 | } | |
95 | ||
96 | ||
97 | int | |
98 | lf_putchr(lf *file, | |
99 | const char chr) | |
100 | { | |
101 | int nr = 0; | |
102 | if (chr == '\n') { | |
103 | file->line_nr += 1; | |
104 | file->line_blank = 1; | |
105 | } | |
106 | else if (file->line_blank) { | |
107 | int pad; | |
108 | for (pad = file->indent; pad > 0; pad--) | |
109 | putc(' ', file->stream); | |
110 | nr += file->indent; | |
111 | file->line_blank = 0; | |
112 | } | |
113 | putc(chr, file->stream); | |
114 | nr += 1; | |
115 | return nr; | |
116 | } | |
117 | ||
118 | int | |
119 | lf_write (lf *file, | |
120 | const char *string, | |
121 | int strlen_string) | |
122 | { | |
123 | int nr = 0; | |
124 | int i; | |
125 | for (i = 0; i < strlen_string; i++) | |
126 | nr += lf_putchr (file, string[i]); | |
127 | return nr; | |
128 | } | |
129 | ||
130 | ||
131 | void | |
132 | lf_indent_suppress(lf *file) | |
133 | { | |
134 | file->line_blank = 0; | |
135 | } | |
136 | ||
137 | ||
138 | int | |
139 | lf_putstr(lf *file, | |
140 | const char *string) | |
141 | { | |
142 | int nr = 0; | |
143 | const char *chp; | |
144 | if (string != NULL) { | |
145 | for (chp = string; *chp != '\0'; chp++) { | |
146 | nr += lf_putchr(file, *chp); | |
147 | } | |
148 | } | |
149 | return nr; | |
150 | } | |
151 | ||
152 | static int | |
153 | do_lf_putunsigned(lf *file, | |
154 | unsigned u) | |
155 | { | |
156 | int nr = 0; | |
157 | if (u > 0) { | |
158 | nr += do_lf_putunsigned(file, u / 10); | |
159 | nr += lf_putchr(file, (u % 10) + '0'); | |
160 | } | |
161 | return nr; | |
162 | } | |
163 | ||
164 | ||
165 | int | |
166 | lf_putint(lf *file, | |
167 | int decimal) | |
168 | { | |
169 | int nr = 0; | |
170 | if (decimal == 0) | |
171 | nr += lf_putchr(file, '0'); | |
172 | else if (decimal < 0) { | |
173 | nr += lf_putchr(file, '-'); | |
174 | nr += do_lf_putunsigned(file, -decimal); | |
175 | } | |
176 | else if (decimal > 0) { | |
177 | nr += do_lf_putunsigned(file, decimal); | |
178 | } | |
179 | else | |
180 | ASSERT(0); | |
181 | return nr; | |
182 | } | |
183 | ||
184 | ||
185 | int | |
186 | lf_printf (lf *file, | |
187 | const char *fmt, | |
188 | ...) | |
189 | { | |
190 | int nr = 0; | |
191 | char buf[1024]; | |
192 | va_list ap; | |
193 | ||
194 | va_start (ap, fmt); | |
195 | vsprintf (buf, fmt, ap); | |
196 | /* FIXME - this is really stuffed but so is vsprintf() on a sun! */ | |
197 | ASSERT (strlen (buf) < sizeof (buf)); | |
198 | nr += lf_putstr (file, buf); | |
199 | va_end(ap); | |
200 | return nr; | |
201 | } | |
202 | ||
203 | ||
204 | int | |
205 | lf_print__line_ref (lf *file, | |
206 | line_ref *line) | |
207 | { | |
208 | return lf_print__external_ref (file, line->line_nr, line->file_name); | |
209 | } | |
210 | ||
211 | int | |
212 | lf_print__external_ref (lf *file, | |
213 | int line_nr, | |
214 | const char *file_name) | |
215 | { | |
216 | int nr = 0; | |
217 | switch (file->references) | |
218 | { | |
219 | case lf_include_references: | |
220 | lf_indent_suppress(file); | |
221 | nr += lf_putstr (file, "#line "); | |
222 | nr += lf_putint (file, line_nr); | |
223 | nr += lf_putstr (file, " \""); | |
224 | nr += lf_putstr (file, file_name); | |
225 | nr += lf_putstr (file, "\"\n"); | |
226 | break; | |
227 | case lf_omit_references: | |
228 | nr += lf_putstr (file, "/* "); | |
229 | nr += lf_putstr (file, file_name); | |
230 | nr += lf_putstr (file, ":"); | |
231 | nr += lf_putint (file, line_nr); | |
232 | nr += lf_putstr (file, "*/\n"); | |
233 | break; | |
234 | } | |
235 | return nr; | |
236 | } | |
237 | ||
238 | int | |
239 | lf_print__internal_ref (lf *file) | |
240 | { | |
241 | int nr = 0; | |
242 | nr += lf_print__external_ref (file, file->line_nr+2, file->name); | |
243 | /* line_nr == last_line, want to number from next */ | |
244 | return nr; | |
245 | } | |
246 | ||
247 | void | |
248 | lf_indent (lf *file, int delta) | |
249 | { | |
250 | file->indent += delta; | |
251 | } | |
252 | ||
253 | ||
254 | int | |
255 | lf_print__gnu_copyleft (lf *file) | |
256 | { | |
257 | int nr = 0; | |
258 | switch (file->type) { | |
259 | case lf_is_c: | |
260 | case lf_is_h: | |
261 | nr += lf_printf(file, "\ | |
4e62efb8 RH |
262 | /* This file is part of the program psim.\n\ |
263 | \n\ | |
264 | Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>\n\ | |
265 | \n\ | |
266 | This program is free software; you can redistribute it and/or modify\n\ | |
267 | it under the terms of the GNU General Public License as published by\n\ | |
268 | the Free Software Foundation; either version 2 of the License, or\n\ | |
269 | (at your option) any later version.\n\ | |
270 | \n\ | |
271 | This program is distributed in the hope that it will be useful,\n\ | |
272 | but WITHOUT ANY WARRANTY; without even the implied warranty of\n\ | |
273 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\ | |
274 | GNU General Public License for more details.\n\ | |
275 | \n\ | |
276 | You should have received a copy of the GNU General Public License\n\ | |
277 | along with this program; if not, write to the Free Software\n\ | |
278 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n\ | |
279 | \n\ | |
280 | --\n\ | |
281 | \n\ | |
282 | This file was generated by the program %s */\n\ | |
c906108c SS |
283 | ", filter_filename(file->program)); |
284 | break; | |
285 | default: | |
286 | ASSERT(0); | |
287 | break; | |
288 | } | |
289 | return nr; | |
290 | } | |
291 | ||
292 | ||
293 | int | |
294 | lf_putbin(lf *file, int decimal, int width) | |
295 | { | |
296 | int nr = 0; | |
297 | int bit; | |
298 | ASSERT(width > 0); | |
299 | for (bit = 1 << (width-1); bit != 0; bit >>= 1) { | |
300 | if (decimal & bit) | |
301 | nr += lf_putchr(file, '1'); | |
302 | else | |
303 | nr += lf_putchr(file, '0'); | |
304 | } | |
305 | return nr; | |
306 | } | |
307 | ||
308 | int | |
309 | lf_print__this_file_is_empty(lf *file, | |
310 | const char *reason) | |
311 | { | |
312 | int nr = 0; | |
313 | switch (file->type) { | |
314 | case lf_is_c: | |
315 | case lf_is_h: | |
316 | nr += lf_printf (file, | |
317 | "/* This generated file (%s) is intentionally left blank", | |
318 | file->name); | |
319 | if (reason != NULL) | |
320 | nr += lf_printf (file, " - %s", reason); | |
321 | nr += lf_printf (file, " */\n"); | |
322 | break; | |
323 | default: | |
324 | ERROR ("Bad switch"); | |
325 | } | |
326 | return nr; | |
327 | } | |
328 | ||
329 | int | |
330 | lf_print__ucase_filename(lf *file) | |
331 | { | |
332 | int nr = 0; | |
333 | const char *chp = file->name; | |
334 | while (*chp != '\0') { | |
335 | char ch = *chp; | |
336 | if (islower(ch)) { | |
337 | nr += lf_putchr(file, toupper(ch)); | |
338 | } | |
339 | else if (ch == '.') | |
340 | nr += lf_putchr(file, '_'); | |
341 | else | |
342 | nr += lf_putchr(file, ch); | |
343 | chp++; | |
344 | } | |
345 | return nr; | |
346 | } | |
347 | ||
348 | int | |
349 | lf_print__file_start(lf *file) | |
350 | { | |
351 | int nr = 0; | |
352 | switch (file->type) { | |
353 | case lf_is_h: | |
354 | case lf_is_c: | |
355 | nr += lf_print__gnu_copyleft(file); | |
356 | nr += lf_printf(file, "\n"); | |
357 | nr += lf_printf(file, "#ifndef "); | |
358 | nr += lf_print__ucase_filename(file); | |
359 | nr += lf_printf(file, "\n"); | |
360 | nr += lf_printf(file, "#define "); | |
361 | nr += lf_print__ucase_filename(file); | |
362 | nr += lf_printf(file, "\n"); | |
363 | nr += lf_printf(file, "\n"); | |
364 | break; | |
365 | default: | |
366 | ASSERT(0); | |
367 | } | |
368 | return nr; | |
369 | } | |
370 | ||
371 | ||
372 | int | |
373 | lf_print__file_finish(lf *file) | |
374 | { | |
375 | int nr = 0; | |
376 | switch (file->type) { | |
377 | case lf_is_h: | |
378 | case lf_is_c: | |
379 | nr += lf_printf(file, "\n"); | |
380 | nr += lf_printf(file, "#endif /* _"); | |
381 | nr += lf_print__ucase_filename(file); | |
382 | nr += lf_printf(file, "_*/\n"); | |
383 | break; | |
384 | default: | |
385 | ASSERT(0); | |
386 | } | |
387 | return nr; | |
388 | } | |
389 | ||
390 | ||
391 | int | |
392 | lf_print__function_type (lf *file, | |
393 | const char *type, | |
394 | const char *prefix, | |
395 | const char *trailing_space) | |
396 | { | |
397 | int nr = 0; | |
398 | nr += lf_printf (file, "%s\\\n(%s)", prefix, type); | |
399 | if (trailing_space != NULL) | |
400 | nr += lf_printf (file, "%s", trailing_space); | |
401 | return nr; | |
402 | } | |
403 | ||
404 | int | |
405 | lf_print__function_type_function (lf *file, | |
406 | print_function *print_type, | |
407 | const char *prefix, | |
408 | const char *trailing_space) | |
409 | { | |
410 | int nr = 0; | |
411 | nr += lf_printf (file, "%s\\\n(", prefix); | |
412 | nr += print_type (file); | |
413 | nr += lf_printf (file, ")"); | |
414 | if (trailing_space != NULL) | |
415 | nr += lf_printf (file, "%s", trailing_space); | |
416 | return nr; | |
417 | } | |
418 |